User's Manual

7. Printing speed is very slow for serial printer
A: follow this path and change the set accordingly : Driver -- Properties -- Device
Settings -- Print Mode -- Print as soft font.
8. Water or other liquid spills into the printer
A: Cut off the power,we can dry the main board or printer head with a hair dryer,
careful of the temperature ( average 50 degree is ok )
9. The printer can't open
A：The battery maybe without electricity，please use power adapter to charge. Then
you try to open the printer, if the printer has same problem, please send to service center
for repair.
10. Do not search to Bluetooth
A：Please check the main equipment "Bluetooth" whether opened, the communication
whether normal, then plug the printer "Bluetooth Module" again. the printer re-connect, if
there are problems, please send the specified location repair.